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Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - USD ($)
Common Stock Outstanding [Member]
Additional Paid-in Capital [Member]
Treasury Stock, Common [Member]
Deferred Compensation, Share-Based Payments [Member]
Retained Earnings [Member]
Total
Balance (in shares) at Dec. 31, 2023 28,671,606          
Balance at Dec. 31, 2023 $ 197,087 $ 97,479,830 $ (4,362,150) $ (6,907,775) $ (71,338,153) $ 15,068,839
Issuance of common stock under equity incentive plan (in shares) 107,600          
Issuance of common stock under equity incentive plan $ 107 153,118 0 0 0 153,225
Deferred compensation amortization       346,047   346,047
Purchase of treasury stock costs 0 0 (44,823) 0 0 (44,823)
Net (loss) $ 0 0 0 0 (250,188) (250,188)
Balance (in shares) at Mar. 31, 2024 28,779,206          
Balance at Mar. 31, 2024 $ 197,194 97,632,948 (4,406,973) (6,561,728) (71,588,341) 15,273,100
Balance (in shares) at Dec. 31, 2024 29,902,415          
Balance at Dec. 31, 2024 $ 198,317 99,676,457 (5,770,592) (6,914,563) (68,032,656) 19,156,963
Adjustment to par value of common stock $ (168,415) 168,415 0 0 0 0
Issuance of common stock under equity incentive plan (in shares) 128,053          
Issuance of common stock under equity incentive plan $ 128 136,276 0 0 0 136,404
Issuance of common stock under employee stock purchase plan (in shares) 7,887          
Issuance of common stock under employee stock purchase plan $ 8 11,507 0 0 0 11,515
Deferred compensation amortization       273,658   273,658
Purchase of treasury stock costs 0 0 (351,640) 0 0 (351,640)
Net (loss) $ 0 0 0 0 (234,970) (234,970)
Balance (in shares) at Mar. 31, 2025 30,038,355          
Balance at Mar. 31, 2025 $ 30,038 $ 99,992,655 $ (6,122,232) $ (6,640,905) $ (68,267,626) $ 18,991,930